Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 21 for “"kappa-coefficient"”.
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Análisis observacional de los movimientos ilegales y erróneos en la iniciación al ajedrez
… of the records was ensured through Cohen’s Kappa coefficient, and the validity of the instrument was verified by applying Generalizability Theory, through two measurement designs that confirmed the consistency and generalizability of the data. Seven types of illegal moves were identified: …
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Biotechnological applications of UV-B radiation in agri-food crops from La Rioja: grapes and mushrooms as models of quality and sustainability
… of the records was ensured through Cohen’s Kappa coefficient, and the validity of the instrument was verified by applying Generalizability Theory, through two measurement designs that confirmed the consistency and generalizability of the data. Seven types of illegal moves were identified: …
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Understanding thermal comfort and wellbeing of older South Australians using occupant-centric models
… indicators, including average accuracy, Cohen’s Kappa Coefficient and Area Under the Receiver Operating Characteristic Curve (AUC) were employed to assess the skill of the developed individual models. All models’ performance indicators were then compared with a ‘version’ of the Predicted Mean …
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Mapping the maize growth period using multi-temporal sentinel 1 and 2 imagery: a case study in Kasisi area of Chongwe district.
… achieved an overall accuracy of 96.97% and a Kappa coefficient of 0.95. Sowing was identified between 1st–15th November 2019, with emergence occurring by mid December. Maturity was reached by mid-January 2020, followed by a post-maturity decline in backscatter from March to April, marking the …
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Mapping the maize growth period using multi-temporal sentinel 1 and 2 imagery: a case study in Kasisi area of Chongwe district.
… achieved an overall accuracy of 96.97% and a Kappa coefficient of 0.95. Sowing was identified between 1st–15th November 2019, with emergence occurring by mid December. Maturity was reached by mid-January 2020, followed by a post-maturity decline in backscatter from March to April, marking the …
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A Comparison of Liver Biopsy Techniques in Dogs
… not significantly different. The corresponding kappa coefficient were 0.59 for needle biopsies, 0.52 for cup biopsies, and 0.62 for punch biopsies. Discordant results did not differ between the liver lobes. Conclusions and Clinical Relevance: A single biopsy using any of the tested techniques is …
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Corpus callosum morphology in children on mid-sagittal MR imaging
… Interobserver correlation was assessed using Kappa coefficient of conformance. Results: 257 patients with mean age 72±60 months were included, 142 were male (55%). In abnormal MRI’s the CC was less likely to have an identifiable isthmus and was more likely to be convex, thin and have …
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Adherence to STARD 2015 Reporting Recommendations in Pathology
… was excellent inter-rater reliability (Cohen Kappa coefficient = .8773). The mean number of STARD recommended items reported was 15.44 + 3.59 with a range of 4-28 out of maximum possible score of 34. Excluding not-applicable items such as test-induced adverse events, overall adherence to STARD …
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The Effects of Walking before Colonoscopy on Colon Cleansing and Discomfort
… reliability was evaluated using the Kappa coefficient. The results of this study was as follows; 1) After walking in the experimental group, the colon cleansing was significantly better, as compared with the control group (33.8% vs 17.9%, p <0.05). 2) After walking in the experimental …
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International Academy of Cytology Yokohama System for reporting Breast Fine Needle Aspiration Biopsy (FNAB) cytology: A Retrospective Study in a Single South African Tertiary Institution
… 88.86% and 89.13% respectively. The Cohen's kappa coefficient was 0.659 and percentage agreement was 80.85%. The ROM was calculated; insufficient (9.09%), benign (4.46%), atypia (45.28%), suspicious for malignancy (72.5%) and malignant (91,09%). Conclusion: Breast aspiration cytology …
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Modelling the spatial distributions and water use of Mauritius thorn (Caesalpinia decapetala) and river red gum (Eucalyptus camal dulensis) using remote sensing and geographic information system techniques in the Vhembe Biosphere Reserve
… by the three images was evident that had a Kappa coefficient of 0.757 (substantial strength of agreement) for CDAI, 0.80 (substantial strength of agreement) for Worldview 2 and 0.857 (almost perfect strength of agreement) for SPOT 6 imagery. The classification performance of SPOT 6 imagery …
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Design of a self-paced brain computer interface system using features extracted from three neurological phenomena
… feature reduction method for selecting wavelet coefficients extracted from movement-related potentials (MRP), 3) an SBCI system that classifies features extracted from three neurological phenomena: MRPs, changes in the power of the Mu and Beta rhythms; 4) a novel method that effectively combines …
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The influence of diagnostic information format on orthodontic treatment planning : a feasibility study
… records.<br/>Results and Conclusions: Cohen’s kappa coefficient was used to show intra-observer reproducibility for clinical vs hard copy, hard copy vs digital and clinical vs digital treatment plans. Observer 1 showed good levels of agreement (?=0.686, 0.692, 0.633). Observer 2 showed good …
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THE RACIAL SOCIALIZATION OF BELIEFS AND ATTITUDES REGARDING SKIN TONE IN A COHORT OF OLDER AFRICAN AMERICAN WOMEN: A PHENOMENOLOGICAL STUDY
… method (i.e., inter-rater reliability Kappa coefficient) was employed to assist in cross-validation of the study's findings (Landis & Koch, 1977). Kappa coefficients demonstrated that of the twenty-three subthemes, which emerged from the analysis, 7 had slight inter-rater agreement 5 …
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The Association Between Medication Adherence in Mental Illness and Substance Use Disorder Relapse in Patients with Dual Diagnosis
… patient reported data, using Cohen’s kappa coefficient to determine agreement. Patient demographic characteristics, substance abuse characteristics, health-related characteristics, and attitude towards medications stratified by adherence rates and relapse rates utilizing ANOVA and …
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A multi-scale, hierarchical approach to map the location and condition of riparian zones in the southern Rockies ecoregion
… very accurate, having only a maximum accuracy of kappa coefficient of 0.38. The most appropriate existing method for mapping potential riparian zones in semi-arid mountainous regions incorporates upstream drainage area and valley topography. I develop a multi-scale, hierarchical, process guided …
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How Unreliable are adult-reported suicide attempts? An examination of correlates and underlying causal mechanisms of discordant reporting over time
… found reports to be moderately reliable, with a Kappa coefficient of 0.51. I hypothesized that discordant reporters would be more similar to individuals who reported a past attempt at both waves (Concordant yes responders), compared with individuals who reported no attempt at both waves …
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Evaluation of a diatom-based index for acid mine drainage impacted permanent pans in the Mpumalanga Highveld region
… variables and Pearson's correlation coefficient was calculated to establish whether significant correlations exist between calculated index scores and water quality variables. For all indices tested, accuracy was determined as the percentage of correctly classified instances (CCI) …
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Models and Methods in Cultural and Social Evolution
… the Dispersion Index of Mean Behavior, and the Kappa coefficient, perform best. We also show that population size affects the statistical interpretation of these measures. Finally, we also include additional results to show the relationship between a number of these measures.</p>
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The use of the EQ-5D-Y health related quality of life instrument in children in the Western Cape, South Africa: Psychometric properties, feasibility and usefulness
… at different time intervals by Cohen's kappa coefficient for dimension scores. Spearman's rho and Intraclass Correlation (ICC) were used to determine reliability of Visual Analogue Scale (VAS) scores and also total scores of the measures over time. The same analysis was used to compare …
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